This session will help you build a complete web monitoring strategy. We'll cover the many different metrics you can collect, from latency and uptime to usability and navigation - and show you how to tie them to the goals of your web business.
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For the last five years, we´ve talk, discuss and test all the web techniques for high performance. What about mobile web? How mobile web browsers do request and page rendering? How to optimize to the maximum the mobile web experience?
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By now, we’ve all internalized Steve Souders’ rules for optimizing web performance, but the question is: do you need to spend 6 months and raise an army of top developers to make your sites fast by default? In this workshop, we’ll subject an unsuspecting website to real-time optimization, following Google and Yahoo’s rules for high-performance websites.
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I have made a map of everything involved in getting from your computer, via your ISP, to a web site and back to your eye balls. It's exhaustive, but that's the point. Where the heck should we optimize? This talk explores the important features of the web and where we should optimizes. Learn about the different ways people are optimizing the different pieces of the puzzle.
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The painful impact JavaScript has on page load times is well understood - scripts block downloads and rendering, even in newer browsers. In this workshop, we’ll cover tools and techniques for implementing progressive enhancement including Closure Compiler, Google Page Speed, and other JavaScript frameworks.
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For many developers, the modern web site has evolved into something more like an application, requiring more specialized tools to measure performance. This workshop will provide an overview of some of these tools. You will learn how to profile the loading and running of a web page in various browsers, identify performance bottlenecks, and examine ways to optimize the overall user experience.
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It is possible that, working together, browsing the Web can be as fast as turning the pages in a book. This session describes initiatives for achieving this including faster browsers and improvements in TCP, DNS, SSL, and HTTP.
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Ads, widgets and other third-party content bring many benefits to your web pages and users. However, they often slow down your pages. We’ll share data on how page speed is affected by such content. We’ll also discuss recent work at Google to make ads as fast as possible, and what site owners and third-party content providers can do to make sure pages are not slowed down by them.
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You probably already set Expires headers, and maybe you use a CDN or have put an accelerator in front of your static images. But that's not all that Web intermediaries have to offer -- if you know where to look. Come along for a grab bag of techniques, tools and ways to (ab)use HTTP to the best (and occasionally worst) advantage.
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In this session Jay Sullivan, Vice President of Mobile at Mozilla, will address the evolution of rich application development capabilities within the Web browser for mobile phones, including the performance and features of the JavaScript language, support for HTML5 and richer AJAX interactions and the ability to access device capabilities data from Web applications.
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Running PageSpeed - all checks. YSlow - A. So what's next to do? Well, you can cheat! You know that time is relative - one hour with your mother-in-law feels much longer than one hour on the beach. The same way you can bend the perception of the page loading time and make the page feel faster, even though the RTT is the same.
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In 2009, Yahoo! introduced an overhaul of its flagship site, www.yahoo.com. The move saw a shift from a mostly-static page to a dynamic, customizable, highly interactive page. What didn't change? Perceived performance by users. Learn the techniques that allowed a smooth transition for 100 million monthly users.
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Featured by Steve Souders at Velocity Fall 2009, Show Slow is an open source tool that helps keeping track of performance metrics gathered over time using Yahoo’s YSlow and Google's Page Speed Firefox extensions using web-based *ESTful beacons. It provides easy to understand graphical representation of metric changes over time that makes decision making quick and easy.
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Google web search sees a lot of requests from modern browsers with a missing or mangled Accept-Encoding header. Google now tests these browsers' ability to understand compressed content, and if successful, sends gzipped responses back, resulting in a better user experience.
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Learn how open source tools and new standardization efforts make
it easier to continuously measure your site's page performance. Get
the latest info on a new collaboration between BrowserMob,
WebPageTest.org, ShowSlow, WebMetrics, PageSpeed, and others as they
create standard components and APIs for sharing and reporting on
performance data.
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Many problems in web performance and operations are deeply cultural and only tangentially technical. Sadly, engineers are often very bad at creating cultural change. This talk presents four cases where clever people have created cultural change, and draws out the common lessons contained therein.
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Shopzilla is one of the largest and most comprehensive comparison shopping networks on the planet. Delivering content to millions of users, thousands of times per second – FAST – is not just good for business, it's a competitive advantage. This talk will provide updated metrics on the value of performance for Shopzilla and our techniques for achieving, measuring and defaulting to high performance.
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Last year we made Facebook twice as fast, but it turns out that that's the easy part. The hard part is keeping it fast as things are constantly changing. I'll be talking about the code frameworks, tools, and engineering culture that come together to keep our site moving fast as our engineering team moves fast to build new products.
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Your website has out-of-control CSS bloat. You know your performance is being impacted, but how do you move from organic CSS with no particular architecture to something lighter, more logical, and easier to maintain? In this session, Nicole Sullivan and Stoyan Stefanov will show you how they improved the CSS at Facebook and Yahoo! Search.
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JavaScript is widely used in web-based applications and is increasing popular with developers. So-called ”browser wars” in recent years have focused on JavaScript performance, specifically claiming comparative results based on benchmark suites such as SunSpider and V8. We evaluate the behavior of JavaScript web applications from
commercial websites and compare this behavior with the benchmarks.
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Browserscope is a crowd-driven test framework for profiling browsers. The goal is to track browsers becoming faster, safer and more consistent for both users and developers. This talk will dive into some of the progress we've seen as well as how you can use, and others are using, Browserscope to store and present their test data pivoting on the user agent.
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Display advertisements often violate the criteria for optimal web page
performance. This discussion will portray why this is often the case by
taking a look at the array of entities that can be involved with the
creation, delivery and tracking of display ads.
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Ads are painful to deal with, but they pay the bills. Ismail Elshareef will share the lessons he learned on how to lessen the impact of third-party components, including ads, on site's performance. At Edmunds, they have iterated over multiple solutions until they found an optimal one that works and they'd like to share that with you.
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